Function getMetaValue

packages/react-aria/src/utils/getMetaValue.ts:22–49

(key: string, doc?: Document)

}

export function getMetaValue(key: string, doc?: Document): string | undefined {
  let ownerWindow = getOwnerWindow(doc);
  let ownerDocument = getOwnerDocument(doc);

  if (ownerDocument == null || ownerWindow == null) {
    return;
  }

  let content: string | undefined = undefined;
  let selector = `meta[name="${CSS.escape(key)}"], meta[property="${CSS.escape(key)}"]`;
  let meta = ownerDocument.querySelector(selector);

  if (meta && meta instanceof ownerWindow.HTMLMetaElement) {
    if (key === 'csp-nonce' && meta.nonce) {
      content ??= meta.nonce || undefined;
    }

    if (meta.content) {
      content ??= meta.content || undefined;
    }
  }

  if (key === 'csp-nonce') {
    content ??= ownerWindow.__webpack_nonce__ || globalThis.__webpack_nonce__ || undefined;
  }

  return content;
}